Highland &Seminole over SEPTA (Chestnut Hill W.)


+40.07092, -75.21142
40°04'15" N, 75°12'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:Highland &Seminole over SEPTA (Chestnut Hill W.)
Structure number:000000000039264
Old structure number:677301064002970 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:32.2 ft. [9.8 m]
Total length:34.1 ft. [10.4 m]
Roadway width between curbs:96.1 ft. [29.3 m]
Deck width edge-to-edge:129.9 ft. [39.6 m]
Vertical clearance above deck:26.2 ft. [8.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
Owner:City or Municipal Highway Agency [04]
Year built:1916
Year reconstructed:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:5,600 [as of 1985]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:90.9 tons [82.6 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:92.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201592.7Functionally obsoleteVery GoodVery GoodGood5600
August 201392.7Functionally obsoleteVery GoodVery GoodGood5600
August 201192.7Functionally obsoleteVery GoodVery GoodGood5600
August 200992.7Functionally obsoleteVery GoodVery GoodGood5600
August 200792.7Functionally obsoleteVery GoodVery GoodGood5600
August 200592.5Functionally obsoleteVery GoodVery GoodGood5600
August 200399.5Not deficientVery GoodVery GoodGood5600
August 200199.5Not deficientVery GoodVery GoodGood5600
August 199999.5Not deficientVery GoodVery GoodGood5600
August 199799.5Not deficientVery GoodVery GoodGood5600
August 199592.6Not deficientVery GoodVery GoodGood5600
August 199395.6Not deficientVery GoodVery GoodGood5600
August 199195.6Not deficientExcellentExcellentGood5600